Blisters When You Walk Higher Miles. Walking 10 miles (over 3 hours), even if you are used to walking for six miles, is more of a challenge. You can do it, but most people are likely to develop blisters in new places. Shoes and gear that worked fine for two hours may not be ideal for four hours.
How the Aurora Borealis occur. The Northern Lights are caused by the interaction of the solar wind - a stream of charged particles escaping the Sun - and our planet's magnetic field and atmosphere.
The northern lights convey a sense of being at the very edge of the world and getting a rare glimpse into the endless universe we are all just a tiny part of. On a very basic level the northern lights are quite simple to explain. The lights come at night, when the sky is dark. Itâs like a celestial ballet of light dancing across the night sky, with a colour palette (green, pink, violet) obtained from a really cool fashion show from the 1980s.